/*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.servlet.http;

import java.io.IOException;

import javax.servlet.ServletResponseWrapper;

/**
 * 
 * Provides a convenient implementation of the HttpServletResponse interface that
 * can be subclassed by developers wishing to adapt the response from a Servlet.
 * This class implements the Wrapper or Decorator pattern. Methods default to
 * calling through to the wrapped response object.
 * 
 * @author 	Various
 * @version 	$Version$
  * @since	v 2.3
 *
 * @see 	javax.servlet.http.HttpServletResponse
 *
 */

public class HttpServletResponseWrapper extends ServletResponseWrapper implements HttpServletResponse {


    /** 
    * Constructs a response adaptor wrapping the given response.
    * @throws java.lang.IllegalArgumentException if the response is null
    */
    public HttpServletResponseWrapper(HttpServletResponse response) {
	    super(response);
    }
    
    private HttpServletResponse _getHttpServletResponse() {
	return (HttpServletResponse) super.getResponse();
    }
    
    /**
     * The default behavior of this method is to call addCookie(Cookie cookie)
     * on the wrapped response object.
     */
    public void addCookie(Cookie cookie) {
	this._getHttpServletResponse().addCookie(cookie);
    }

    /**
     * The default behavior of this method is to call containsHeader(String name)
     * on the wrapped response object.
     */

 
    public boolean containsHeader(String name) {
	return this._getHttpServletResponse().containsHeader(name);
    }
    
    /**
     * The default behavior of this method is to call encodeURL(String url)
     * on the wrapped response object.
     */
    public String encodeURL(String url) {
	return this._getHttpServletResponse().encodeURL(url);
    }

    /**
     * The default behavior of this method is to return encodeRedirectURL(String url)
     * on the wrapped response object.
     */
    public String encodeRedirectURL(String url) {
	return this._getHttpServletResponse().encodeRedirectURL(url);
    }

    /**
     * The default behavior of this method is to call encodeUrl(String url)
     * on the wrapped response object.
     */
    public String encodeUrl(String url) {
	return this._getHttpServletResponse().encodeUrl(url);
    }
    
    /**
     * The default behavior of this method is to return encodeRedirectUrl(String url)
     * on the wrapped response object.
     */
    public String encodeRedirectUrl(String url) {
	return this._getHttpServletResponse().encodeRedirectUrl(url);
    }
    
    /**
     * The default behavior of this method is to call sendError(int sc, String msg)
     * on the wrapped response object.
     */
    public void sendError(int sc, String msg) throws IOException {
	this._getHttpServletResponse().sendError(sc, msg);
    }

    /**
     * The default behavior of this method is to call sendError(int sc)
     * on the wrapped response object.
     */


    public void sendError(int sc) throws IOException {
	this._getHttpServletResponse().sendError(sc);
    }

    /**
     * The default behavior of this method is to return sendRedirect(String location)
     * on the wrapped response object.
     */
    public void sendRedirect(String location) throws IOException {
	this._getHttpServletResponse().sendRedirect(location);
    }
    
    /**
     * The default behavior of this method is to call setDateHeader(String name, long date)
     * on the wrapped response object.
     */
    public void setDateHeader(String name, long date) {
	this._getHttpServletResponse().setDateHeader(name, date);
    }
    
    /**
     * The default behavior of this method is to call addDateHeader(String name, long date)
     * on the wrapped response object.
     */
   public void addDateHeader(String name, long date) {
	this._getHttpServletResponse().addDateHeader(name, date);
    }
    
    /**
     * The default behavior of this method is to return setHeader(String name, String value)
     * on the wrapped response object.
     */
    public void setHeader(String name, String value) {
	this._getHttpServletResponse().setHeader(name, value);
    }
    
    /**
     * The default behavior of this method is to return addHeader(String name, String value)
     * on the wrapped response object.
     */
     public void addHeader(String name, String value) {
	this._getHttpServletResponse().addHeader(name, value);
    }
    
    /**
     * The default behavior of this method is to call setIntHeader(String name, int value)
     * on the wrapped response object.
     */
    public void setIntHeader(String name, int value) {
	this._getHttpServletResponse().setIntHeader(name, value);
    }
    
    /**
     * The default behavior of this method is to call addIntHeader(String name, int value)
     * on the wrapped response object.
     */
    public void addIntHeader(String name, int value) {
	this._getHttpServletResponse().addIntHeader(name, value);
    }

    /**
     * The default behavior of this method is to call setStatus(int sc)
     * on the wrapped response object.
     */


    public void setStatus(int sc) {
	this._getHttpServletResponse().setStatus(sc);
    }
    
    /**
     * The default behavior of this method is to call setStatus(int sc, String sm)
     * on the wrapped response object.
     */
     public void setStatus(int sc, String sm) {
	this._getHttpServletResponse().setStatus(sc, sm);
    }

   
}
